package com.card.utils;
import java.util.ArrayList;
import java.util.List;
import com.mongodb.MongoClient;
import com.mongodb.MongoCredential;
import com.mongodb.ServerAddress;
import com.mongodb.client.MongoDatabase;
public class MongoDBUitl {

//无密码连接
public static void MongoDBJDBC() {
	try{            // 连接到 mongodb 服务          
		MongoClient mongoClient = new MongoClient( "localhost" , 27017 );     // 连接到数据库           
		MongoDatabase mongoDatabase = mongoClient.getDatabase("mycol");           
		System.out.println("Connect to database successfully");                  
		}catch(Exception e){         
			 System.err.println( e.getClass().getName() + ": " + e.getMessage() );       
		}    
}

public static void MongoDBJDBC2() {
	 try {                //连接到MongoDB服务 如果是远程连接可以替换“localhost”为服务器所在IP地址                //ServerAddress()两个参数分别为 服务器地址 和 端口                
		 ServerAddress serverAddress = new ServerAddress("localhost",27017);                
		 List<ServerAddress> addrs = new ArrayList<ServerAddress>();                
		 addrs.add(serverAddress);                                //MongoCredential.createScramSha1Credential()三个参数分别为 用户名 数据库名称 密码               
		 MongoCredential credential = MongoCredential.createScramSha1Credential("username", "databaseName", "password".toCharArray());                
		 List<MongoCredential> credentials = new ArrayList<MongoCredential>();
		 credentials.add(credential);                                //通过连接认证获取MongoDB连接                
		 MongoClient mongoClient = new MongoClient(addrs,credentials);                                //连接到数据库                
		 MongoDatabase mongoDatabase = mongoClient.getDatabase("databaseName");                
		 System.out.println("Connect to database successfully");
		 } catch (Exception e) {                
		 System.err.println( e.getClass().getName() + ": " + e.getMessage() );            
		 }        	
}

public static void main(String[] args) {
	
}
}
